Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7909280 | Optical Materials | 2015 | 6 Pages |
Abstract
Eu3+ doped K2Mg(SO4)2â
6H2O crystal was prepared by evaporation method at room temperature. A complete structure characterization including X-ray diffraction, Raman and infrared was carried out. The results reveal that this crystal crystallizes in a monoclinic structure and the most active phonons are associated with vibrations of molecular water and sulfate environments. On the other hand, the emission spectrum indicates that Eu3+ ions occupy two different sites. Therefore, a study about the luminescence from each local environment is presented. The emission spectra and luminescence decays of Eu3+ ions indicate than there are not energy transfer processes between both sites.
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Authors
H. Marzougui, I.R. Martin, S. Attia-Essaies, Dalila Ben Hassen-Chehimi, E. Lalla, S.F. Léon-Luis,